/*
 * Copyright 2002-2007 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.baidu.jprotobuf.pbrpc.client;

import java.net.InetSocketAddress;

/**
 * This interface is used to call back on {@link ProtobufRpcProxy} on create connection for each serviceSignature.<br>
 * serviceSignature should be unique to each service for same business.
 *
 * @author xiemalin
 * @since 2.19
 */
public interface ServiceLocatorCallback {

    /**
     * Fetch address.
     *
     * @param serviceSignature the service signature
     * @return the inet socket address
     */
    InetSocketAddress fetchAddress(String serviceSignature);
}
